# A126232 (b-file synthesized from sequence entry)
5 120
6 2520
7 52080
8 1164240
9 28594440
10 771309000
11 22746757440
12 729419296320
13 25295774463960
14 943934414262840
15 37728367833920400
16 1608541146018621360
17 72881990543360522280
18 3497670707401587171240
19 177254235519701336515680